Time-resolved measurements of fast electron recirculation for relativistically intense femtosecond scale laser-plasma interactions
A key issue in realising the development of a number of applications of high-intensity lasers is the dynamics of the fast electrons produced and how to diagnose them. We report on measurements of fast electron transport in aluminium targets in the ultra-intense, short-pulse (
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| Veröffentlicht in: | Scientific reports 2018-03, Vol.8 (1), p.4525-9, Article 4525 |
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| creator | Green, J. S. Booth, N. Dance, R. J. Gray, R. J. MacLellan, D. A. Marshall, A. McKenna, P. Murphy, C. D. Ridgers, C. P. Robinson, A. P. L. Rusby, D. Scott, R. H. H. Wilson, L. |
| description | A key issue in realising the development of a number of applications of high-intensity lasers is the dynamics of the fast electrons produced and how to diagnose them. We report on measurements of fast electron transport in aluminium targets in the ultra-intense, short-pulse ( |
| doi_str_mv | 10.1038/s41598-018-22422-6 |
| format | Article |
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c
) expanding region of Ohmic heating at the rear of the target, driven by lateral transport of the fast electron population inside the target. Simulations demonstrate that a broad angular distribution of fast electrons on the order of 60° is required, in conjunction with extensive recirculation of the electron population, in order to drive such lateral transport. These results provide fundamental new insight into fast electron dynamics driven by ultra-short laser pulses, which is an important regime for the development of laser-based radiation and particle sources.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/s41598-018-22422-6</identifier><identifier>PMID: 29540743</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>639/766/1960/1135 ; 639/766/1960/1137 ; Aluminum ; Angular distribution ; Electron transport ; Humanities and Social Sciences ; Laser radiation ; Lasers ; multidisciplinary ; Science ; Science (multidisciplinary)</subject><ispartof>Scientific reports, 2018-03, Vol.8 (1), p.4525-9, Article 4525</ispartof><rights>The Author(s) 2018</rights><rights>2018. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c540t-d6263d79e65c6f74224a78f1f0f0a2f7893efef2e746178d04cbb8e8cea1e6e73</citedby><cites>FETCH-LOGICAL-c540t-d6263d79e65c6f74224a78f1f0f0a2f7893efef2e746178d04cbb8e8cea1e6e73</cites><orcidid>0000-0001-8061-7091 ; 0000-0003-3849-3229 ; 0000-0001-8252-5342</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5852165/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5852165/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,41120,42189,51576,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29540743$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Green, J. S.</creatorcontrib><creatorcontrib>Booth, N.</creatorcontrib><creatorcontrib>Dance, R. J.</creatorcontrib><creatorcontrib>Gray, R. J.</creatorcontrib><creatorcontrib>MacLellan, D. A.</creatorcontrib><creatorcontrib>Marshall, A.</creatorcontrib><creatorcontrib>McKenna, P.</creatorcontrib><creatorcontrib>Murphy, C. D.</creatorcontrib><creatorcontrib>Ridgers, C. P.</creatorcontrib><creatorcontrib>Robinson, A. P. L.</creatorcontrib><creatorcontrib>Rusby, D.</creatorcontrib><creatorcontrib>Scott, R. H. H.</creatorcontrib><creatorcontrib>Wilson, L.</creatorcontrib><title>Time-resolved measurements of fast electron recirculation for relativistically intense femtosecond scale laser-plasma interactions</title><title>Scientific reports</title><addtitle>Sci Rep</addtitle><addtitle>Sci Rep</addtitle><description>A key issue in realising the development of a number of applications of high-intensity lasers is the dynamics of the fast electrons produced and how to diagnose them. We report on measurements of fast electron transport in aluminium targets in the ultra-intense, short-pulse (<50 fs) regime using a high resolution temporally and spatially resolved optical probe. The measurements show a rapidly (≈0.5
c
) expanding region of Ohmic heating at the rear of the target, driven by lateral transport of the fast electron population inside the target. Simulations demonstrate that a broad angular distribution of fast electrons on the order of 60° is required, in conjunction with extensive recirculation of the electron population, in order to drive such lateral transport. These results provide fundamental new insight into fast electron dynamics driven by ultra-short laser pulses, which is an important regime for the development of laser-based radiation and particle sources.</description><subject>639/766/1960/1135</subject><subject>639/766/1960/1137</subject><subject>Aluminum</subject><subject>Angular distribution</subject><subject>Electron transport</subject><subject>Humanities and Social Sciences</subject><subject>Laser radiation</subject><subject>Lasers</subject><subject>multidisciplinary</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><issn>2045-2322</issn><issn>2045-2322</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kUFvFSEQx4nR2Kb2C3gwJF68oMCyLHsxMY1akyZe6pnw2KHSsMuTYV_Saz-5vL62Vg_CAYb5zZ-Z_Al5Lfh7wTvzAZXoR8O4MExKJSXTz8ix5KpnspPy-ZP7ETlFvOZt9XJUYnxJjuTYKz6o7pjcXsYZWAHMaQcTncHhWmCGpSLNgQaHlUICX0teaAEfi1-Tq7FFIZf2sg92EWv0LqUbGpcKCwINMNeM4PMyUWwpoMkhFLZtx-zusOL8XgdfkRfBJYTT-_OE_Pjy-fLsnF18__rt7NMF863ZyiYtdTcNI-je6zC0kZUbTBCBB-5kGMzYQYAgYVBaDGbiym82BowHJ0DD0J2Qjwfd7bqZYfJtxuKS3ZY4u3Jjs4v278wSf9qrvLO96aXQfRN4dy9Q8q8VsNo5ooeU3AJ5RSu5UG1rIxv69h_0Oq9laePtqW7UXI68UfJA-ZIRC4THZgS3e5ftwWXbXLZ3Llvdit48HeOx5MHTBnQHAFtquYLy5-__yP4Gr9y3SA</recordid><startdate>20180314</startdate><enddate>20180314</enddate><creator>Green, J. 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S.</au><au>Booth, N.</au><au>Dance, R. J.</au><au>Gray, R. J.</au><au>MacLellan, D. A.</au><au>Marshall, A.</au><au>McKenna, P.</au><au>Murphy, C. D.</au><au>Ridgers, C. P.</au><au>Robinson, A. P. L.</au><au>Rusby, D.</au><au>Scott, R. H. H.</au><au>Wilson, L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Time-resolved measurements of fast electron recirculation for relativistically intense femtosecond scale laser-plasma interactions</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2018-03-14</date><risdate>2018</risdate><volume>8</volume><issue>1</issue><spage>4525</spage><epage>9</epage><pages>4525-9</pages><artnum>4525</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>A key issue in realising the development of a number of applications of high-intensity lasers is the dynamics of the fast electrons produced and how to diagnose them. We report on measurements of fast electron transport in aluminium targets in the ultra-intense, short-pulse (<50 fs) regime using a high resolution temporally and spatially resolved optical probe. The measurements show a rapidly (≈0.5
c
) expanding region of Ohmic heating at the rear of the target, driven by lateral transport of the fast electron population inside the target. Simulations demonstrate that a broad angular distribution of fast electrons on the order of 60° is required, in conjunction with extensive recirculation of the electron population, in order to drive such lateral transport. These results provide fundamental new insight into fast electron dynamics driven by ultra-short laser pulses, which is an important regime for the development of laser-based radiation and particle sources.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>29540743</pmid><doi>10.1038/s41598-018-22422-6</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-8061-7091</orcidid><orcidid>https://orcid.org/0000-0003-3849-3229</orcidid><orcidid>https://orcid.org/0000-0001-8252-5342</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | 639/766/1960/1135 639/766/1960/1137 Aluminum Angular distribution Electron transport Humanities and Social Sciences Laser radiation Lasers multidisciplinary Science Science (multidisciplinary) |
| title | Time-resolved measurements of fast electron recirculation for relativistically intense femtosecond scale laser-plasma interactions |
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